What is a Gripe Site?

See; TMI, Inc. v. Maxwell, 368 F.3d 433 (5th Cir. 2004)

CenLiar.com is legally defined as a ‘gripe site’ and the registered domain does not interfere with any trademarks or intellectual property of other mark(s).

CenLiar.com is an online trading name which is wholly owned by Blogger Inc., a nonprofit 501(c)(3) and operated as a gripe site, for reasons similar, if not identical to those cited in Maxwell, as referred to herein.